From: Ralf Baechle Date: Wed, 1 Aug 2007 14:46:18 +0000 (+0100) Subject: [MIPS] Compute PGD_ORDER from the select page size. X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=99e480d81ca98c25918c460fdb5ca876d7df6178;p=openwrt%2Fstaging%2Fblogic.git [MIPS] Compute PGD_ORDER from the select page size. Signed-off-by: Ralf Baechle --- diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h index ff2948513f8e..59c865deb0c7 100644 --- a/include/asm-mips/pgtable-32.h +++ b/include/asm-mips/pgtable-32.h @@ -51,17 +51,11 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, * Entries per page directory level: we use two-level, so * we don't really have any PUD/PMD directory physically. */ -#ifdef CONFIG_64BIT_PHYS_ADDR -#define PGD_ORDER 1 -#define PUD_ORDER aieeee_attempt_to_allocate_pud -#define PMD_ORDER 1 -#define PTE_ORDER 0 -#else -#define PGD_ORDER 0 +#define __PGD_ORDER (32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2) +#define PGD_ORDER (__PGD_ORDER >= 0 ? __PGD_ORDER : 0) #define PUD_ORDER aieeee_attempt_to_allocate_pud #define PMD_ORDER 1 #define PTE_ORDER 0 -#endif #define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t)) #define PTRS_PER_PTE ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))